JP6912716B2 - 半導体装置及びその製造方法 - Google Patents
半導体装置及びその製造方法 Download PDFInfo
- Publication number
- JP6912716B2 JP6912716B2 JP2017155032A JP2017155032A JP6912716B2 JP 6912716 B2 JP6912716 B2 JP 6912716B2 JP 2017155032 A JP2017155032 A JP 2017155032A JP 2017155032 A JP2017155032 A JP 2017155032A JP 6912716 B2 JP6912716 B2 JP 6912716B2
- Authority
- JP
- Japan
- Prior art keywords
- substrate
- metal layer
- region
- semiconductor device
- heat transfer
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Active
Links
- 239000004065 semiconductor Substances 0.000 title claims description 72
- 238000004519 manufacturing process Methods 0.000 title claims description 21
- 239000000758 substrate Substances 0.000 claims description 68
- 239000002184 metal Substances 0.000 claims description 59
- 229910052751 metal Inorganic materials 0.000 claims description 59
- 238000000034 method Methods 0.000 claims description 27
- 239000010432 diamond Substances 0.000 claims description 21
- 229910003460 diamond Inorganic materials 0.000 claims description 21
- 238000005498 polishing Methods 0.000 claims description 13
- 230000003746 surface roughness Effects 0.000 claims description 6
- 229910052786 argon Inorganic materials 0.000 claims description 5
- 229910052734 helium Inorganic materials 0.000 claims description 5
- 229910052743 krypton Inorganic materials 0.000 claims description 5
- 229910052754 neon Inorganic materials 0.000 claims description 5
- 229910052724 xenon Inorganic materials 0.000 claims description 5
- 125000004429 atom Chemical group 0.000 claims description 4
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 230000003213 activating effect Effects 0.000 claims description 2
- 230000001678 irradiating effect Effects 0.000 claims description 2
- 239000013078 crystal Substances 0.000 description 11
- 230000017525 heat dissipation Effects 0.000 description 9
- 238000002360 preparation method Methods 0.000 description 4
- 229910052756 noble gas Inorganic materials 0.000 description 3
- 230000004913 activation Effects 0.000 description 2
- 238000005229 chemical vapour deposition Methods 0.000 description 2
- 238000005304 joining Methods 0.000 description 2
- 229910016525 CuMo Inorganic materials 0.000 description 1
- 229910001218 Gallium arsenide Inorganic materials 0.000 description 1
- JMASRVWKEDWRBT-UHFFFAOYSA-N Gallium nitride Chemical compound [Ga]#N JMASRVWKEDWRBT-UHFFFAOYSA-N 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 150000004767 nitrides Chemical class 0.000 description 1
- 229910052594 sapphire Inorganic materials 0.000 description 1
- 239000010980 sapphire Substances 0.000 description 1
- 238000004544 sputter deposition Methods 0.000 description 1
- 238000007740 vapor deposition Methods 0.000 description 1
Images
Classifications
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L23/00—Details of semiconductor or other solid state devices
- H01L23/34—Arrangements for cooling, heating, ventilating or temperature compensation ; Temperature sensing arrangements
- H01L23/36—Selection of materials, or shaping, to facilitate cooling or heating, e.g. heatsinks
- H01L23/373—Cooling facilitated by selection of materials for the device or materials for thermal expansion adaptation, e.g. carbon
- H01L23/3732—Diamonds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/18—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer the devices having semiconductor bodies comprising elements of Group IV of the Periodic Table or AIIIBV compounds with or without impurities, e.g. doping materials
- H01L21/30—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26
- H01L21/302—Treatment of semiconductor bodies using processes or apparatus not provided for in groups H01L21/20 - H01L21/26 to change their surface-physical characteristics or shape, e.g. etching, polishing, cutting
- H01L21/304—Mechanical treatment, e.g. grinding, polishing, cutting
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L21/00—Processes or apparatus adapted for the manufacture or treatment of semiconductor or solid state devices or of parts thereof
- H01L21/02—Manufacture or treatment of semiconductor devices or of parts thereof
- H01L21/04—Manufacture or treatment of semiconductor devices or of parts thereof the devices having potential barriers, e.g. a PN junction, depletion layer or carrier concentration layer
- H01L21/48—Manufacture or treatment of parts, e.g. containers, prior to assembly of the devices, using processes not provided for in a single one of the subgroups H01L21/06 - H01L21/326
- H01L21/4803—Insulating or insulated parts, e.g. mountings, containers, diamond heatsinks
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L24/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L24/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L24/31—Structure, shape, material or disposition of the layer connectors after the connecting process
- H01L24/32—Structure, shape, material or disposition of the layer connectors after the connecting process of an individual layer connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L24/00—Arrangements for connecting or disconnecting semiconductor or solid-state bodies; Methods or apparatus related thereto
- H01L24/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L24/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/04—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by their crystalline structure, e.g. polycrystalline, cubic or particular orientation of crystalline planes
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/16—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only elements of Group IV of the Periodic Table
- H01L29/1608—Silicon carbide
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/02—Semiconductor bodies ; Multistep manufacturing processes therefor
- H01L29/12—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed
- H01L29/20—Semiconductor bodies ; Multistep manufacturing processes therefor characterised by the materials of which they are formed including, apart from doping materials or other impurities, only AIIIBV compounds
- H01L29/2003—Nitride compounds
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L29/00—Semiconductor devices specially adapted for rectifying, amplifying, oscillating or switching and having potential barriers; Capacitors or resistors having potential barriers, e.g. a PN-junction depletion layer or carrier concentration layer; Details of semiconductor bodies or of electrodes thereof ; Multistep manufacturing processes therefor
- H01L29/66—Types of semiconductor device ; Multistep manufacturing processes therefor
- H01L29/68—Types of semiconductor device ; Multistep manufacturing processes therefor controllable by only the electric current supplied, or only the electric potential applied, to an electrode which does not carry the current to be rectified, amplified or switched
- H01L29/76—Unipolar devices, e.g. field effect transistors
- H01L29/772—Field effect transistors
- H01L29/778—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface
- H01L29/7786—Field effect transistors with two-dimensional charge carrier gas channel, e.g. HEMT ; with two-dimensional charge-carrier layer formed at a heterojunction interface with direct single heterostructure, i.e. with wide bandgap layer formed on top of active layer, e.g. direct single heterostructure MIS-like HEMT
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
- H01L2224/29099—Material
- H01L2224/291—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
- H01L2224/29163—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of greater than 1550°C
- H01L2224/29166—Titanium [Ti] as principal constituent
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/01—Means for bonding being attached to, or being formed on, the surface to be connected, e.g. chip-to-package, die-attach, "first-level" interconnects; Manufacturing methods related thereto
- H01L2224/26—Layer connectors, e.g. plate connectors, solder or adhesive layers; Manufacturing methods related thereto
- H01L2224/28—Structure, shape, material or disposition of the layer connectors prior to the connecting process
- H01L2224/29—Structure, shape, material or disposition of the layer connectors prior to the connecting process of an individual layer connector
- H01L2224/29001—Core members of the layer connector
- H01L2224/29099—Material
- H01L2224/291—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof
- H01L2224/29163—Material with a principal constituent of the material being a metal or a metalloid, e.g. boron [B], silicon [Si], germanium [Ge], arsenic [As], antimony [Sb], tellurium [Te] and polonium [Po], and alloys thereof the principal constituent melting at a temperature of greater than 1550°C
- H01L2224/29181—Tantalum [Ta] as principal constituent
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
- H01L2224/83053—Bonding environment
- H01L2224/83054—Composition of the atmosphere
- H01L2224/83075—Composition of the atmosphere being inert
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
- H01L2224/83053—Bonding environment
- H01L2224/8309—Vacuum
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2224/00—Indexing scheme for arrangements for connecting or disconnecting semiconductor or solid-state bodies and methods related thereto as covered by H01L24/00
- H01L2224/80—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected
- H01L2224/83—Methods for connecting semiconductor or other solid state bodies using means for bonding being attached to, or being formed on, the surface to be connected using a layer connector
- H01L2224/838—Bonding techniques
- H01L2224/83894—Direct bonding, i.e. joining surfaces by means of intermolecular attracting interactions at their interfaces, e.g. covalent bonds, van der Waals forces
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/102—Material of the semiconductor or solid state bodies
- H01L2924/1025—Semiconducting materials
- H01L2924/10251—Elemental semiconductors, i.e. Group IV
- H01L2924/10252—Germanium [Ge]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/102—Material of the semiconductor or solid state bodies
- H01L2924/1025—Semiconducting materials
- H01L2924/10251—Elemental semiconductors, i.e. Group IV
- H01L2924/10253—Silicon [Si]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/102—Material of the semiconductor or solid state bodies
- H01L2924/1025—Semiconducting materials
- H01L2924/1026—Compound semiconductors
- H01L2924/1027—IV
- H01L2924/10272—Silicon Carbide [SiC]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/102—Material of the semiconductor or solid state bodies
- H01L2924/1025—Semiconducting materials
- H01L2924/1026—Compound semiconductors
- H01L2924/1032—III-V
- H01L2924/10329—Gallium arsenide [GaAs]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/102—Material of the semiconductor or solid state bodies
- H01L2924/1025—Semiconducting materials
- H01L2924/1026—Compound semiconductors
- H01L2924/1032—III-V
- H01L2924/1033—Gallium nitride [GaN]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
- H01L2924/1306—Field-effect transistor [FET]
- H01L2924/13064—High Electron Mobility Transistor [HEMT, HFET [heterostructure FET], MODFET]
-
- H—ELECTRICITY
- H01—ELECTRIC ELEMENTS
- H01L—SEMICONDUCTOR DEVICES NOT COVERED BY CLASS H10
- H01L2924/00—Indexing scheme for arrangements or methods for connecting or disconnecting semiconductor or solid-state bodies as covered by H01L24/00
- H01L2924/10—Details of semiconductor or other solid state devices to be connected
- H01L2924/11—Device type
- H01L2924/13—Discrete devices, e.g. 3 terminal devices
- H01L2924/1304—Transistor
- H01L2924/1306—Field-effect transistor [FET]
- H01L2924/13091—Metal-Oxide-Semiconductor Field-Effect Transistor [MOSFET]
Landscapes
- Engineering & Computer Science (AREA)
- Power Engineering (AREA)
- Microelectronics & Electronic Packaging (AREA)
- Computer Hardware Design (AREA)
- Physics & Mathematics (AREA)
- General Physics & Mathematics (AREA)
- Condensed Matter Physics & Semiconductors (AREA)
- Ceramic Engineering (AREA)
- Chemical & Material Sciences (AREA)
- Manufacturing & Machinery (AREA)
- Materials Engineering (AREA)
- Crystallography & Structural Chemistry (AREA)
- Cooling Or The Like Of Semiconductors Or Solid State Devices (AREA)
- Junction Field-Effect Transistors (AREA)
Description
先ず、第1の実施形態について説明する。図1は、第1の実施形態に係る半導体装置を示す図である。
次に、第2の実施形態について説明する。第2の実施形態は、第1の実施形態に係る半導体装置100の製造方法の一例に関する。第2の実施形態では、半導体チップ110及び伝熱体120を個別に準備し、表面活性化接合(surface activated bonding:SAB)により、これらを接合する。図2は、半導体チップ110の準備方法を工程順に示す断面図であり、図3は、伝熱体120の準備方法を工程順に示す断面図であり、図4A乃至図4Cは、第2の実施形態に係る製造方法を工程順に示す断面図である。
基板及び前記基板上の素子領域を含む半導体チップと、
ダイヤモンドの伝熱体と、
前記半導体チップと前記伝熱体との間の金属層と、
を有し、
前記基板は、裏面にアモルファス領域を有し、
前記アモルファス領域と前記金属層とが互いに接合され、
前記金属層と前記伝熱体とが互いに接合されていることを特徴とする半導体装置。
前記素子領域は高電子移動度トランジスタを含むことを特徴とする付記1に記載の半導体装置。
前記基板はSiC基板であり、
前記アモルファス領域はアモルファスSiC領域であることを特徴とする付記1又は2に記載の半導体装置。
前記アモルファスSiC領域は、Ar、Xe、He、Ne又はKrを含むことを特徴とする付記3に記載の半導体装置。
前記アモルファスSiC領域の前記金属層との界面にはC原子がSi原子より多く含まれることを特徴とする付記3又は4に記載の半導体装置。
前記金属層の厚さは1nm以上であることを特徴とする付記1乃至5のいずれか1項に記載の半導体装置。
前記金属層はTi又はTaを含むことを特徴とする付記1乃至6のいずれか1項に記載の半導体装置。
前記基板は、前記アモルファス領域と前記素子領域との間の結晶領域を有することを特徴とする付記1乃至7のいずれか1項に記載の半導体装置。
基板及び前記基板上の素子領域を含む半導体チップの前記基板の裏面を研磨する工程と、
ダイヤモンドの伝熱体の表面を研磨する工程と、
前記伝熱体の表面上に金属層を形成する工程と、
真空中で、前記基板の裏面及び前記金属層の表面に希ガスを照射して、前記基板にアモルファス領域を形成すると共に、前記アモルファス領域の裏面及び前記金属層の表面を活性化させる工程と、
真空中で、前記活性化した前記アモルファス領域の裏面及び前記金属層の表面を互いに密着させて、前記半導体チップ及び前記伝熱体を互いに接合する工程と、
を有することを特徴とする半導体装置の製造方法。
前記基板の裏面の表面粗さRaを前記研磨により1nm以下とし、
前記伝熱体の表面の表面粗さRaを前記研磨により1nm以下とすることを特徴とする付記9に記載の半導体装置の製造方法。
前記素子領域は高電子移動度トランジスタを含むことを特徴とする付記9又は10に記載の半導体装置の製造方法。
前記基板はSiC基板であり、
前記アモルファス領域はアモルファスSiC領域であることを特徴とする付記9乃至11のいずれか1項に記載の半導体装置の製造方法。
前記希ガスは、Ar、Xe、He、Ne又はKrであることを特徴とする付記9乃至12のいずれか1項に記載の半導体装置の製造方法。
前記希ガスの照射後の前記金属層の厚さは1nm以上とすることを特徴とする付記9乃至13のいずれか1項に記載の半導体装置の製造方法。
前記金属層はTi又はTaを含むことを特徴とする付記9乃至14のいずれか1項に記載の半導体装置の製造方法。
前記希ガスの照射後に、前記基板は、前記アモルファス領域と前記素子領域との間の結晶領域を有することを特徴とする付記9乃至15のいずれか1項に記載の半導体装置の製造方法。
110:半導体チップ
111:基板
112:素子領域
113:アモルファス領域
114:結晶領域
120:伝熱体
121:金属層
130:チャンバ
131:希ガスビーム
Claims (10)
- SiC基板及び前記SiC基板上の素子領域を含む半導体チップと、
ダイヤモンドの伝熱体と、
前記半導体チップと前記伝熱体との間の金属層と、
を有し、
前記SiC基板は、裏面にアモルファスSiC領域を有し、
前記アモルファスSiC領域と前記金属層とが互いに接合され、
前記金属層と前記伝熱体とが互いに接合されていることを特徴とする半導体装置。 - 前記素子領域は高電子移動度トランジスタを含むことを特徴とする請求項1に記載の半導体装置。
- 前記アモルファスSiC領域は、Ar、Xe、He、Ne又はKrを含むことを特徴とする請求項1又は2に記載の半導体装置。
- 前記アモルファスSiC領域の前記金属層との界面にはC原子がSi原子より多く含まれることを特徴とする請求項1乃至3のいずれか1項に記載の半導体装置。
- 前記金属層の厚さは1nm以上であることを特徴とする請求項1乃至4のいずれか1項に記載の半導体装置。
- 前記金属層はTi又はTaを含むことを特徴とする請求項1乃至5のいずれか1項に記載の半導体装置。
- 基板及び前記基板上の素子領域を含む半導体チップの前記基板の裏面を研磨する工程と、
ダイヤモンドの伝熱体の表面を研磨する工程と、
前記伝熱体の表面上に金属層を形成する工程と、
真空中で、前記基板の裏面及び前記金属層の表面に希ガスを照射して、前記基板にアモルファス領域を形成すると共に、前記アモルファス領域の裏面及び前記金属層の表面を活性化させる工程と、
真空中で、前記活性化した前記アモルファス領域の裏面及び前記金属層の表面を互いに密着させて、前記半導体チップ及び前記伝熱体を互いに接合する工程と、
を有することを特徴とする半導体装置の製造方法。 - 前記基板の裏面の表面粗さRaを前記研磨により1nm以下とし、
前記伝熱体の表面の表面粗さRaを前記研磨により1nm以下とすることを特徴とする請求項7に記載の半導体装置の製造方法。 - 前記素子領域は高電子移動度トランジスタを含むことを特徴とする請求項7又は8に記載の半導体装置の製造方法。
- 前記基板はSiC基板であり、
前記アモルファス領域はアモルファスSiC領域であることを特徴とする請求項7乃至9のいずれか1項に記載の半導体装置の製造方法。
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017155032A JP6912716B2 (ja) | 2017-08-10 | 2017-08-10 | 半導体装置及びその製造方法 |
US16/043,423 US10483185B2 (en) | 2017-08-10 | 2018-07-24 | Semiconductor device and method for manufacturing same |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2017155032A JP6912716B2 (ja) | 2017-08-10 | 2017-08-10 | 半導体装置及びその製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
JP2019036566A JP2019036566A (ja) | 2019-03-07 |
JP6912716B2 true JP6912716B2 (ja) | 2021-08-04 |
Family
ID=65275470
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
JP2017155032A Active JP6912716B2 (ja) | 2017-08-10 | 2017-08-10 | 半導体装置及びその製造方法 |
Country Status (2)
Country | Link |
---|---|
US (1) | US10483185B2 (ja) |
JP (1) | JP6912716B2 (ja) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP7451361B2 (ja) * | 2020-09-10 | 2024-03-18 | 株式会社日立製作所 | 熱電変換素子 |
US11929294B2 (en) | 2020-09-30 | 2024-03-12 | Nichia Corporation | Composite substrate and method of producing the composite substrate, and semiconductor device comprising the composite substrate |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0221531A3 (en) | 1985-11-06 | 1992-02-19 | Kanegafuchi Kagaku Kogyo Kabushiki Kaisha | High heat conductive insulated substrate and method of manufacturing the same |
JPH0760869B2 (ja) | 1985-11-06 | 1995-06-28 | 鐘淵化学工業株式会社 | 高熱伝導性絶縁基板 |
JP2726141B2 (ja) * | 1990-06-05 | 1998-03-11 | 三菱電機株式会社 | 半導体装置およびその製造方法 |
JPH11243167A (ja) * | 1998-02-24 | 1999-09-07 | Sumitomo Electric Ind Ltd | ヒートシンク |
AU2001247378A1 (en) * | 2000-03-13 | 2001-09-24 | Sun Microsystems, Inc. | Method and apparatus for bonding substrates |
JP4815065B2 (ja) * | 2001-05-30 | 2011-11-16 | 株式会社トクヤマ | ヒートシンク及びその製造方法 |
WO2006116030A2 (en) * | 2005-04-21 | 2006-11-02 | Aonex Technologies, Inc. | Bonded intermediate substrate and method of making same |
EP2016618A1 (en) * | 2006-04-24 | 2009-01-21 | Sören Berg | Hybrid wafers |
JP5085552B2 (ja) * | 2006-10-02 | 2012-11-28 | 株式会社東芝 | 半導体装置 |
JP5262201B2 (ja) * | 2008-03-10 | 2013-08-14 | 富士通株式会社 | 半導体装置の製造方法 |
KR20120027987A (ko) * | 2010-09-14 | 2012-03-22 | 삼성엘이디 주식회사 | 질화갈륨계 반도체소자 및 그 제조방법 |
-
2017
- 2017-08-10 JP JP2017155032A patent/JP6912716B2/ja active Active
-
2018
- 2018-07-24 US US16/043,423 patent/US10483185B2/en active Active
Also Published As
Publication number | Publication date |
---|---|
US10483185B2 (en) | 2019-11-19 |
JP2019036566A (ja) | 2019-03-07 |
US20190051579A1 (en) | 2019-02-14 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
US9070547B2 (en) | Composite substrate and method for manufacturing composite substrate | |
JP6772711B2 (ja) | 半導体積層構造体および半導体デバイス | |
US9685513B2 (en) | Semiconductor structure or device integrated with diamond | |
WO2012147436A1 (ja) | GaN系半導体デバイスの製造方法 | |
US20060258054A1 (en) | Method for producing free-standing carbon nanotube thermal pads | |
TW200849678A (en) | III-V nitride semiconductor layer-bonded substrate and semiconductor device | |
WO2018016350A1 (ja) | 半導体基板及びその製造方法 | |
JP2013543276A (ja) | 無線周波数用途又は電力用途のための電子装置及びそのような装置を製造するためのプロセス | |
JP6912716B2 (ja) | 半導体装置及びその製造方法 | |
US8748890B2 (en) | Method of manufacturing semiconductor wafer, and composite base and composite substrate for use in that method | |
EP2849207B1 (en) | Heat dissipation substrate and method for producing same | |
JP5329341B2 (ja) | 光半導体装置及びその製造方法 | |
JP6875634B2 (ja) | 半導体装置及びその製造方法 | |
JP6146042B2 (ja) | Iii族窒化物複合基板およびその製造方法、積層iii族窒化物複合基板、ならびにiii族窒化物半導体デバイスおよびその製造方法 | |
JP7205233B2 (ja) | 半導体装置、半導体装置の製造方法及び基板接合方法 | |
US20230019230A1 (en) | High reliability semiconductor devices and methods of fabricating the same | |
JP6020496B2 (ja) | 接合構造体およびその製造方法 | |
JP7203511B2 (ja) | 窒化アルミニウムテンプレート、および、デバイス | |
US8377797B1 (en) | Method for bonding of semiconductor component to a substrate | |
JP6318441B2 (ja) | 接合方法 | |
JP6038564B2 (ja) | 半導体積層体接合用基板およびその製造方法 | |
JP2023172358A (ja) | 半導体装置及び半導体装置の製造方法 | |
WO2024058180A1 (ja) | 半導体装置形成用基板、半導体積層構造体、半導体装置、半導体装置形成用基板の製造方法、半導体積層構造体の製造方法及び半導体装置の製造方法 | |
JP2013038316A (ja) | Iii族窒化物層複合基板の製造方法 | |
JP6146041B2 (ja) | Iii族窒化物複合基板および積層iii族窒化物複合基板、ならびにiii族窒化物半導体デバイスおよびその製造方法 |
Legal Events
Date | Code | Title | Description |
---|---|---|---|
A621 | Written request for application examination |
Free format text: JAPANESE INTERMEDIATE CODE: A621 Effective date: 20200409 |
|
A977 | Report on retrieval |
Free format text: JAPANESE INTERMEDIATE CODE: A971007 Effective date: 20210218 |
|
A131 | Notification of reasons for refusal |
Free format text: JAPANESE INTERMEDIATE CODE: A131 Effective date: 20210302 |
|
A521 | Written amendment |
Free format text: JAPANESE INTERMEDIATE CODE: A523 Effective date: 20210430 |
|
TRDD | Decision of grant or rejection written | ||
A01 | Written decision to grant a patent or to grant a registration (utility model) |
Free format text: JAPANESE INTERMEDIATE CODE: A01 Effective date: 20210608 |
|
A61 | First payment of annual fees (during grant procedure) |
Free format text: JAPANESE INTERMEDIATE CODE: A61 Effective date: 20210621 |
|
R150 | Certificate of patent or registration of utility model |
Ref document number: 6912716 Country of ref document: JP Free format text: JAPANESE INTERMEDIATE CODE: R150 |